Abstract
Castex(continuous cast and extrusion)is a latest metallurgical technology. Making of AS wire(aluminum-clad steel wire) by Castex is an advanced bonding technology of bimetal. In order to study the deformation character of AS wire the numerical simulation is performed with FE method. From the simulation result the following conclusions are obtained:① The simulation is carried out sequentially in three zones:initial extrusion,cavity-filling and bonding.② In the first zone the shearing deformation governs the whole zone,while in that of cavity-filling, the deformation mainly concentrates on transition arc of the concave mould. In addition, in the last zone, the dominant deformation lies at the boundary of concave mould, surface of steel wire and entry of sizing band. Due to the movement of steel wire, the direction of shear stress on its surface is opposite to that on the boundary of concave die.
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